CN210692627U - Integrated shell and liquid-cooled battery pack comprising same - Google Patents
Integrated shell and liquid-cooled battery pack comprising same Download PDFInfo
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- CN210692627U CN210692627U CN201921817213.8U CN201921817213U CN210692627U CN 210692627 U CN210692627 U CN 210692627U CN 201921817213 U CN201921817213 U CN 201921817213U CN 210692627 U CN210692627 U CN 210692627U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an integrated form casing and contain its liquid cooling battery package, integrated form casing includes a shell body and a liquid cooling board, the liquid cooling board connect in the shell body, the liquid cooling board is including board body and liquid cooling connecting piece, the liquid cooling passageway has in the board body, the liquid cooling connecting piece connect in the board body, and at least two the liquid cooling connecting piece respectively with the feed liquor end and the play liquid end of liquid cooling passageway communicate. The liquid-cooled battery pack includes an integrated housing as described above. The utility model discloses directly with the integration of liquid cooling board at the casing originally internally, the integrated form casing has reduced the assembly process of battery package factory, has improved assembly efficiency greatly. Meanwhile, complex pipeline joints and pipelines are eliminated, and the gaps of failure and leakage of the liquid cooling battery pack are greatly reduced; and the assembly processes are reduced, the arrangement space of the pipelines is not required to be reserved, and the space utilization rate of the interior of the liquid-cooled battery pack is improved.
Description
Technical Field
The utility model relates to an integrated form casing and contain its liquid cooling battery package.
Background
The liquid cooling battery pack on the market at present is generally divided into a plurality of liquid cooling plates according to the distribution of battery modules, and then is connected by a pipe joint and a nylon pipe to form a liquid cooling system. However, when a liquid-cooled battery pack factory is assembled, a plurality of liquid-cooled plates, pipe joints and nylon pipes are required to be assembled in the battery pack shell, and the liquid-cooled pipelines are required to be assembled manually, so that the working hours are increased and automatic production cannot be formed; after the assembly is finished, the inspection work is carried out, the assembly process is complicated, and the efficiency is low. Meanwhile, the more the number of the liquid cooling plates inside the battery shell is, the more the number of the pipe joints and the nylon pipes is, the greater the failure risk is, and further the risk of leakage of cooling liquid can be caused; and the nylon tube and the pipe joint can occupy a part of space of the liquid cooling battery pack, and the space utilization rate of the liquid cooling battery pack is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that the liquid cooling battery package factory assembly process in order to overcome among the prior art is loaded down with trivial details, and inefficiency exists the inefficacy risk, reduces the space utilization and other defects of liquid cooling battery package, provides an integrated form casing and contains its liquid cooling battery package.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the integrated shell is characterized by comprising a shell body and a liquid cooling plate, wherein the liquid cooling plate is connected in the shell body and comprises a plate body and liquid cooling connecting pieces, a liquid cooling channel is arranged in the plate body, the liquid cooling connecting pieces are connected in the plate body, and at least two liquid cooling connecting pieces are respectively communicated with the liquid inlet end and the liquid outlet end of the liquid cooling channel.
In this scheme, adopt above-mentioned structural style, need not to assemble liquid cold drawing, coupling and nylon tube etc. in integrated form casing, reduced the assembly process of battery package factory, improved assembly efficiency greatly.
In addition, complex pipeline joints and pipelines are eliminated, and the gaps of the liquid cooling battery pack, which are invalid and leak, are greatly reduced; meanwhile, the nylon pipe, the pipe joint and the like do not need to be assembled, the assembly processes are reduced, the pipeline arrangement space does not need to be reserved, and the space utilization rate of the interior of the liquid cooling battery pack is improved.
Preferably, a thermal insulation shock pad is arranged between the bottom surface of the plate body and the bottom plate of the shell body.
In this scheme, adopt above-mentioned structural style, thermal-insulated shock pad is pressed and is established and have the guard action between body of the board and the shell body, has thermal-insulated absorbing effect to the use reliability of integrated form casing has been improved.
Preferably, the plate body covers the bottom plate of the shell body, and the peripheral outer edge of the plate body is welded with the four side plates of the shell body.
In this scheme, adopt above-mentioned structural style, effectively strengthened the joint strength between liquid cooling board and the shell body, improved the stability of integrated form casing.
Preferably, damping rubber is arranged between the peripheral outer edge of the plate body and the four side plates of the shell body.
In this scheme, adopt above-mentioned structural style, the damping rubber can be fixed liquid cold drawing and shell body interconnect, still has the shock attenuation effect.
Preferably, the integrated housing further includes an internal stiffener connected to the housing body, and the plate body is fixed between the housing body and the internal stiffener.
In this scheme, adopt above-mentioned structural style, inside strengthening rib has the additional strengthening, can effectively strengthen the overall structure intensity of integrated form casing, has improved the stability of integrated form casing greatly. Simultaneously, can further produce skew dislocation phenomenon to liquid cooling board fixed connection in the shell body through inside strengthening rib, effectively avoided the liquid cooling board in the in-process that uses.
Preferably, the integrated shell further comprises an external reinforcing beam located at an outer surface of the shell body, and the external reinforcing beam is welded to the shell body;
alternatively, the external reinforcing beam and the shell body are integrally formed.
In this scheme, adopt above-mentioned structural style, outside stiffening beam has the additional strengthening, can effectively strengthen the overall structure intensity of integrated form casing, has improved the stability of integrated form casing greatly.
Preferably, the integrated housing material is an aluminum alloy piece.
A liquid-cooled battery pack, characterized in that it comprises an integrated housing as described above.
In the scheme, the structural form is adopted, so that the gaps of the liquid cooling battery pack, which are invalid and leaked, are greatly reduced; meanwhile, the assembling procedures are reduced, the assembling efficiency of the liquid-cooled battery pack is greatly improved, and the space utilization rate of the interior of the liquid-cooled battery pack is improved.
Preferably, the liquid-cooled battery pack further comprises a battery module and at least one heat conducting pad, the battery module is located in the shell body, and the heat conducting pad is pressed between the battery module and the liquid-cooled plate.
Preferably, the liquid-cooled battery pack further comprises a cover plate, the cover plate is connected to the shell body and is formed with a containing cavity, and the battery module, the heat conducting pad and the plate body are sequentially arranged in the containing cavity from top to bottom.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses an integrated form casing and contain its liquid cooling battery package, it is direct with the integration of liquid cooling board at the casing originally internally, the integrated form casing has reduced the assembly process of battery package factory, has improved assembly efficiency greatly. Meanwhile, the liquid cooling plate can be cooled through the two liquid cooling connecting pieces and the liquid cooling channel in the plate body, so that complex pipeline joints and pipelines are eliminated, and the gaps of failure and leakage of the liquid cooling battery pack are greatly reduced; and the assembly processes are reduced, the arrangement space of the pipelines is not required to be reserved, and the space utilization rate of the interior of the liquid-cooled battery pack is improved.
Drawings
Fig. 1 is a schematic structural diagram of an integrated housing according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a liquid-cooled battery pack according to embodiment 2 of the present invention.
Fig. 3 is an exploded schematic view of a liquid-cooled battery pack according to embodiment 2 of the present invention.
Description of reference numerals:
integrated housing 1
Heat conducting pad 4
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
Example 1
As shown in fig. 1, the embodiment of the present invention discloses an integrated casing 1, in which the integrated casing 1 includes a casing 11 and a liquid cooling plate 12, and the liquid cooling plate 12 is connected in the casing 11. Directly with a liquid cooling board 12 integration in the shell body 11 that is used for making liquid cooling battery package for the battery package factory need not to carry out assembly, the inspection work of liquid cooling board 12 to integrated form casing 1, need not to assemble liquid cooling board, coupling and nylon tube etc. in integrated form casing 1 promptly, has reduced the assembly process of battery package factory through integrated form casing 1, has improved assembly efficiency greatly.
The liquid cooling plate 12 includes a plate body 121 and liquid cooling connectors 122, a liquid cooling channel is provided in the plate body 121, the liquid cooling connectors 122 are connected to the plate body 121, and at least two liquid cooling connectors 122 are respectively communicated with the liquid inlet end and the liquid outlet end of the liquid cooling channel. A liquid cooling plate 12 is directly integrated in a shell body 11 for manufacturing a liquid cooling battery pack, only at least two liquid cooling connecting pieces 122 are required to be connected with a cold source supply system, and cooling can be realized through the two liquid cooling connecting pieces 122 and liquid cooling channels in the plate body 121, so that complex pipeline joints and pipelines are eliminated, and the gaps of failure and leakage of the liquid cooling battery pack are greatly reduced; meanwhile, the nylon pipe, the pipe joint and the like do not need to be assembled, the assembly processes are reduced, the pipeline arrangement space does not need to be reserved, and the space utilization rate of the interior of the liquid cooling battery pack is improved. In this embodiment, the number of the liquid cooling connectors 122 is two, but the specific number of the liquid cooling connectors 122 is not limited herein.
A heat insulating and shock absorbing pad is provided between the bottom surface of the plate body 121 and the bottom plate of the case body 11. The heat insulating cushion is first placed on the bottom plate of the case body 11, and then the plate body 121 is placed inside the case body 11 and connected to the case body 11. The thermal insulation shock pad is pressed between the plate body 121 and the shell body 11 to achieve a protective effect and a thermal insulation shock absorption effect, so that the use reliability of the integrated shell 1 is improved.
The board body 121 covers the bottom plate of the shell body 11, and the peripheral outer edge of the board body 121 is welded to four side plates of the shell body 11. The size of the case body 11 can be adjusted according to the actually manufactured battery pack, and the size of the liquid cooling plate 12 is determined by the size of the bottom plate in the case body 11, so that the size of the liquid cooling plate 12 is adjusted according to the size change of the battery pack. A whole liquid cooling plate 12 is directly placed in the shell body 11, and the plate body 121 covers the bottom plate of the shell body 11, so that the plurality of liquid cooling plates are not required to be spliced with each other or connected through pipelines. The peripheral outer edge of the plate body 121 is welded with the four side plates of the shell body 11, so that the connection strength between the liquid cooling plate 12 and the shell body 11 is effectively enhanced, and the stability of the integrated shell 1 is improved. Of course, the plate body 121 may also be a part in the case body 11.
The plate body 121 and the two liquid cooling connecting pieces 122 can be integrally formed, and the processing and manufacturing are convenient. Of course, two liquid-cooled connectors 122 may also be welded to the plate body 121 and communicate with the liquid-cooled channels in the plate body 121.
Damping rubber is arranged between the peripheral outer edge of the plate body 121 and the four side plates of the shell body 11. The cushion gum can be fixed with liquid cooling plate 12 and shell body 11 interconnect, still has the shock attenuation effect.
The integrated housing 1 further includes an internal stiffener 13, the internal stiffener 13 being connected to the shell body 11, and the plate body 121 being fixed between the shell body 11 and the internal stiffener 13. The internal reinforcing ribs 13 have a reinforcing effect, so that the overall structural strength of the integrated housing 1 can be effectively enhanced, and the stability of the integrated housing 1 is greatly improved. Simultaneously, can further produce skew dislocation phenomenon to liquid cooling plate 12 fixed connection in shell body 11 through inside strengthening rib 13, effectively avoided liquid cooling plate 12 in the in-process that uses. Wherein, the end of the internal reinforcing rib 13 can abut against the inner side wall of the shell body 11 and is welded with the shell body 11. The internal ribs 13 may also be welded to the liquid cooled plate 12.
The integrated hull 1 further comprises an external reinforcement beam 14, the external reinforcement beam 14 being located at the outer surface of the hull body 11, and the external reinforcement beam 14 may be welded to the hull body 11. The external reinforcing beam 14 has a reinforcing effect, so that the overall structural strength of the integrated shell 1 can be effectively enhanced, and the stability of the integrated shell 1 is greatly improved. Of course, the external reinforcing beam 14 and the shell body 11 may be integrally formed and manufactured by an aluminum casting process. The number of the inner reinforcing beads 13 and the outer reinforcing beams 14 is not limited.
The integrated shell 1 is made of an aluminum alloy piece. The shell body 11, the internal reinforcing ribs 13, the liquid cooling plate 12 and the external reinforcing beams 14 can be made of aluminum alloy, and the shell is light in weight, high in strength and low in cost.
When the integrated shell 1 of the present embodiment is manufactured, the external reinforcing beam 14 and the shell body 11 are welded to each other, or the external reinforcing beam 14 and the shell body 11 are integrally manufactured; afterwards place thermal-insulated shock pad in shell body 11, two liquid cooling connecting piece 122 welds on board body 121 or integrated into one piece make into liquid cooling board 12, liquid cooling board 12 will be put into in shell body 11 and press on thermal-insulated shock pad, the interrupted welding of four sides of liquid cooling board 12 and four inside walls of shell body 11 adds the damping glue of scribbling and fixes, set up inside strengthening rib 13 in shell body 11 and compress tightly on liquid cooling board 12 at last, the both ends of inside strengthening rib 13 and the inside wall full weld of shell body 11, inside strengthening rib 13 welds with liquid cooling board 12 absolutely, thereby integrated form casing 1's processing preparation has been accomplished.
Example 2
As shown in fig. 2 and 3, the present embodiment discloses a liquid-cooled battery pack including a cover plate 2, a battery module 3, at least one thermal pad 4, and an integrated housing 1 as described in embodiment 1. The battery module 3 is located in the shell body 11, and the heat conducting pad 4 is pressed between the battery module 3 and the liquid cooling plate 12. The battery module 3 and the heat conducting pad 4 are both located in the shell body 11, the battery module 3 is in contact with the heat conducting pad 4 through the bottom radiating fins, heat generated by the battery module 3 is transferred to the heat conducting pad 4, and the heat conducting pad 4 is placed on the liquid cooling plate 12, so that a heat transfer path is formed. The cold source will enter into to the liquid cooling passageway through liquid cooling connecting piece 122 and flow, will take away the heat on the heat conduction pad 4 to the realization is to the cooling of battery module 3. Wherein, the heat conduction pad 4 sets up between two adjacent inside strengthening rib 13, even if there is the separation of inside strengthening rib 13, also can realize the cooling of thermal conduction in order to realize battery module 3 through the heat conduction pad 4.
The cover plate 2 is connected to the case body 11 and is formed with a receiving cavity, and the battery module 3, the thermal pad 4 and the plate body 121 are sequentially disposed in the receiving cavity from top to bottom. The thermal pad 4 and the battery module 3 are installed in the integrated housing 1, and then the cap plate 2 is coupled to the integrated housing 1 to be capped. Wherein, the liquid cooling battery package still includes electrical component 5, and electrical component 5 is located integrated form casing 1 and is connected with battery module 3 electricity.
When the liquid cooling battery package of this embodiment is assembled in the battery package factory, lay heat conduction pad 4 on liquid cooling board 12 earlier, be connected as a whole and place on heat conduction pad 4 with electric component 5 and battery module 3 electricity, connect apron 2 at last and encapsulate at integrated form casing 1. The assembly process of the battery pack factory is greatly reduced, the assembly efficiency is greatly improved, meanwhile, a pipeline arrangement space does not need to be reserved, and the space utilization rate of the interior of the liquid-cooled battery pack is improved.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. The integrated shell is characterized by comprising a shell body and a liquid cooling plate, wherein the liquid cooling plate is connected in the shell body and comprises a plate body and liquid cooling connecting pieces, a liquid cooling channel is arranged in the plate body, the liquid cooling connecting pieces are connected in the plate body, and at least two liquid cooling connecting pieces are respectively communicated with the liquid inlet end and the liquid outlet end of the liquid cooling channel.
2. The integrated housing of claim 1, wherein a thermally insulating shock pad is provided between the bottom surface of the plate body and the bottom plate of the shell body.
3. The integrated housing of claim 1, wherein the plate body covers a bottom plate of the housing body, and peripheral edges of the plate body are welded to four side plates of the housing body.
4. The integrated housing of claim 3, wherein a cushion gum is disposed between the peripheral outer edge of the plate body and the four side plates of the housing body.
5. The integrated housing of claim 1, further comprising an internal stiffener connected to the housing body, and the plate body is secured between the housing body and the internal stiffener.
6. The integrated housing according to claim 1, further comprising an external stiffening beam located at an outer surface of the shell body, the external stiffening beam being welded to the shell body;
alternatively, the external reinforcing beam and the shell body are integrally formed.
7. The integrated housing of claim 1, wherein the integrated housing material is an aluminum alloy piece.
8. A liquid-cooled battery pack, characterized in that it comprises an integrated housing according to any one of claims 1 to 7.
9. The liquid-cooled battery pack of claim 8, further comprising a battery module and at least one thermal pad, the battery module being positioned within the housing body, the thermal pad being compressed between the battery module and the plate body.
10. The liquid-cooled battery pack of claim 9, further comprising a cover plate coupled to the housing body and defining a receiving cavity, wherein the battery module, the thermal pad, and the plate body are sequentially disposed in the receiving cavity from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921817213.8U CN210692627U (en) | 2019-10-28 | 2019-10-28 | Integrated shell and liquid-cooled battery pack comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921817213.8U CN210692627U (en) | 2019-10-28 | 2019-10-28 | Integrated shell and liquid-cooled battery pack comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN210692627U true CN210692627U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921817213.8U Active CN210692627U (en) | 2019-10-28 | 2019-10-28 | Integrated shell and liquid-cooled battery pack comprising same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471606A (en) * | 2021-07-01 | 2021-10-01 | 广州小鹏汽车科技有限公司 | Battery box body, battery pack and assembly method of battery box body |
| CN113471607A (en) * | 2021-07-01 | 2021-10-01 | 广州小鹏汽车科技有限公司 | Battery box body, battery pack and assembly method of battery box body |
| CN113710031A (en) * | 2021-08-30 | 2021-11-26 | 无锡格林沃科技有限公司 | Mainboard control box outer body device and preparation method thereof |
| CN115297693A (en) * | 2022-08-24 | 2022-11-04 | 西安易朴通讯技术有限公司 | Liquid cooling plate and electronic device |
-
2019
- 2019-10-28 CN CN201921817213.8U patent/CN210692627U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471606A (en) * | 2021-07-01 | 2021-10-01 | 广州小鹏汽车科技有限公司 | Battery box body, battery pack and assembly method of battery box body |
| CN113471607A (en) * | 2021-07-01 | 2021-10-01 | 广州小鹏汽车科技有限公司 | Battery box body, battery pack and assembly method of battery box body |
| CN113710031A (en) * | 2021-08-30 | 2021-11-26 | 无锡格林沃科技有限公司 | Mainboard control box outer body device and preparation method thereof |
| CN113710031B (en) * | 2021-08-30 | 2023-08-11 | 无锡格林沃科技有限公司 | Main board control box outer body device and preparation method thereof |
| CN115297693A (en) * | 2022-08-24 | 2022-11-04 | 西安易朴通讯技术有限公司 | Liquid cooling plate and electronic device |
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